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Product Discontinued
COMP CAMSPART NUMBER: 249-31-601-8
Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Lift: .540"/.526"
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Ford 221-302ci 1963-1995 Non-Factory Roller BlockMutha Thumpr
- Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft
- Lift: .540"/.526"
- Duration: 291°/311°
- Lobe Separation Angle: 107°
- RPM Range: 2200-5900
Mutha' Thumpr™-High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.Ford; SBF; Mustang; Windsor; Fairlane; Meteor; Mercury; GT; 22; 260; Sunbeam; Tiger; 289; 302; 351; 289; HiPo; K-Code; GT-350; Shelby; Boss; 5.0; 308; Windsor; Torino; Cougar; F-150; Squire; Thunderbird; LTD; Galaxie; Grand Marquis
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width2.9
Package Length24.3
Weight7.95 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)249
Cam StyleHydraulic roller tappet
Grind Number291THR7
Exh. Duration Advertised (Deg)311
Engine Make/SizeFord 221-302
Intake Valve Lift With Factory Rocker Arm Ratio (I0.54
Int. Duration @ .050 In. (Deg)235
Basic Operating Rpm Range2,200-5,900
Intake Valve Lift0.54 in (13.716 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)291
Lobe Separation (Deg)107
Rpm Range2200-5900
Advertised Duration291 int./311 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.526
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.540 int./0.526 exh.
QuantitySold individually
Exhaust Valve Lift0.526 in (13.36 mm)
Advertised Intake Duration291
Intake Duration At 050 Inch Lift235
Exhaust Duration At 050 Inch Lift249
Advertised Exhaust Duration311
Lifter TypeHydraulic Roller Retrofit
Part FitmentSemi Universal
Duration At 050 Inch Lift235 int./249 exh.
Valve Springs RequiredYes
Vendor Part Number31-601-8
Package Qty1
Package TypeEA
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